A little help. A lot less hassle.

Image Compressor

Shrink JPEG, PNG, or WebP images locally with a quality control, while keeping the original dimensions for easy sharing.

Image Cropper

Crop JPEG, PNG, or WebP images by precise pixel coordinates, preview the selection, and download a focused new image.

Image Rotator

Rotate a JPEG, PNG, or WebP image by an exact angle in your browser, with quick quarter-turn controls and no upload.

PDF & documents

85 useful tools

Rotate PDF Pages

Rotate selected PDF pages by 90, 180, or 270 degrees locally in your browser while preserving vector text and artwork.

Extract PDF Pages

Extract one page, a continuous range, or a custom page list from a local PDF and download a new PDF in your browser.

Halve PDF Pages

Split every PDF page into two vector pages horizontally or vertically, entirely in your browser.

Text & writing

739 useful tools

Text Replacer

Replace the first or every literal or regular-expression match locally, with explicit case, Unicode boundary, flag, and replacement-reference controls.

Uppercase Converter

Convert pasted text to uppercase instantly in your browser while keeping spacing, punctuation, and line breaks easy to review.

Text Compare

Compare two text passages in your browser by word, character, or line, with highlighted additions, removals, and a clear change summary.

Developer tools

743 useful tools

CSS Box Shadow Generator

Build one or more CSS box-shadow layers with live local preview, offsets, blur, spread, color, opacity, inset support, and copy-ready CSS.

CSS Gradient Generator

Create linear or radial CSS gradients with two to six ordered color stops, live preview, and a copy-ready background declaration.

CSS Cubic Bézier Generator

Tune a CSS cubic-bezier() timing function with four explicit control values, common easing presets, a timing graph, and a live animation comparison.

Data & QR codes

146 useful tools

Change CSV Separator

Convert a CSV file from comma, semicolon, tab, pipe, or a custom separator to another separator in your browser.

Combine Three Columns

Combine three text columns row by row with a configurable delimiter in your browser.

Combine Two Columns

Combine two text columns row by row with a configurable delimiter in your browser.

Numbers & time

1098 useful tools

Component Recovery Calculator

Calculate component recovery as the component amount in a product stream divided by that in a feed stream.

Molar Flow Rate Calculator

Estimate molar flow from ideal-gas volume flow and absolute pressure/temperature, or from mass flow and molar mass.

Wavelength Frequency Audio Calculator

Convert sound wavelength and frequency using a sound speed that you provide.

Files, audio & video

64 useful tools